package com.itheima.dao.impl;

import com.itheima.dao.BookDao;
import org.springframework.stereotype.Component;

@Component
public class BookDaoImpl implements BookDao {
    @Override
    public void save() {
        System.out.println("book dao save...");
    }

    @Override
    public int update(int a,String b) {
        System.out.println("book dao update...  ,"+a+","+b);
        return 100;
    }
}
